Alert archive / Nevada / Special Weather Statements in 2018

Special Weather Statement, NWS Reno, NV

August 15, 2018Washoe County, Nevada; Lassen County, California

NWS Reno, NV issued this special weather statement at Aug 15, 2018, 2:49 PM PDT for Washoe County, Nevada; Lassen County, California. It was in force for 116 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 15, 2018, 2:49 PM PDT (21:49 UTC)
Expired: Aug 15, 2018, 4:45 PM PDT
In force: 116 min
Issued by: NWS Reno, NV

Counties Lassen County, CA, Washoe County, NV

The radar

The Reno radar (KRGX), 117 km from the middle of the area, began a volume at 21:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 9.8 hours before the alert went out and 204 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2827 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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The office that day

Everything else NWS Reno, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 15, 2:27 PM PDT	Special Weather Statement	REV	Churchill, Lyon, Mineral	18 min
Aug 15, 2:34 PM PDT	Special Weather Statement	REV	Churchill, Lyon, Mineral	3 hr
Aug 15, 4:28 PM PDT	Special Weather Statement	REV	Pershing, Storey, Washoe	3 hr

Nearby

Special Weather Statements in Nevada, 2018 Special Weather Statements in California, 2018 Every special weather statement in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.